Southern Flannel Moth vs Clavigerite Ant Beetle

Side-by-side species comparison

Attribute Southern Flannel Moth Clavigerite Ant Beetle
Scientific Name Megalopyge opercularis Claviger testaceus
Order Lepidoptera Coleoptera
Family Megalopygidae Staphylinidae
Size 25-36 mm wingspan 2-3 mm
Habitat Woodlands Underground
Diet Omnivores Omnivores
Regions Southeastern United States, Central America Europe
Conservation Least Concern Least Concern

Southern Flannel Moth

A fluffy moth covered in cream to orange-brown fur-like scales. Its larva, called the puss caterpillar, is covered in soft-looking hair that conceals venomous spines.

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Did You Know?

The puss caterpillar is considered the most venomous caterpillar in North America, with stings requiring medical attention.

Clavigerite Ant Beetle

A tiny, blind, wingless rove beetle that is an obligate guest of Lasius ant colonies. It has lost its eyes and developed specialized trichomes that secrete ant-appeasing compounds.

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Did You Know?

It is so dependent on ants that it cannot survive more than a few hours outside their nest.